All names: Gaia EDR3 1353079560561238144, Gaia DR2 1353079560561238144, SDSS J165015.59+400129.7, Gaia DR3 1353079560561238144, GALEX J165015.5+400129, SDSS J165015.58+400129.4, SDSS J165015.58+400129.46
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Gaia DR2 | Stilism | Koester & Kepler 2015 | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 50 15.58 (0.2) | 16 50 15.59 | 16 50 15.58 (0.3) | 16 50 15.59 (0.2) | |||||||
| Declination | 40 01 29.24 (0.3) | 40 01 29.76 | 40 01 29.25 (0.4) | 40 01 29.65 (0.3) | |||||||
| Spectral type | DBA | DBA | DB | ||||||||
| Effective temperature | [K] | 14702.0 | 15426.0 (79) | 15341.0 (113) | |||||||
| log(g) | [cgs] | 7.59 | 8.00 (0) | 8.00 (0.09) | |||||||
| Mass | [M☉] | 0.386 | 0.5720000000000001 (0.05) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | -6.148 | <-5.21 | |||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | <-7.11 | ||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 1.81 (0.3) | 0.77 (0.4) | 1.81 (0.3) | |||||||
| Distance | [pc] | 552.06 (90) | 1292.99 (664) | 422.00 | 552.06 (90) | ||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -8.562322279 (0.3) | -11.921 (0.7) | -8.562 (0.3) | |||||||
| Proper motion (declination) | [mas/yr] | -25.37251095 (0.3) | -25.554 (0.9) | -25.373 (0.3) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.17 (0.02) | 19.19 (0.03) | 19.17 (0.02) | ||||||||
| g magnitude | 19.20 (0.01) | 19.26 (0.01) | 19.20 (0.01) | ||||||||
| r magnitude | 19.45 (0.01) | 19.51 (0.02) | 19.45 (0.01) | ||||||||
| i magnitude | 19.66 (0.02) | 19.74 (0.03) | 19.66 (0.02) | ||||||||
| z magnitude | 19.86 (0.1) | 19.90 (0.1) | 19.86 (0.1) | ||||||||
| G magnitude | 19.48 (0.03) | 19.50 | 19.48 (0.005) | ||||||||
| BP magnitude | 19.29 (0.03) | 19.18 | |||||||||
| RP magnitude | 19.40 (0.06) | 19.31 | |||||||||
| Pan g magnitude | 19.30 (0.007) | ||||||||||
| Pan r magnitude | 19.53 (0.004) | ||||||||||
| Pan i magnitude | 19.72 (0.01) | ||||||||||
| Pan z magnitude | 19.88 (0.03) | ||||||||||
| Pan y magnitude | 19.85 (0.05) | ||||||||||
| E(B-V) | 0.021 | ||||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.